mona tried to Spencer because Spencer knew mona was A . to keep the secret safe she tried to kill Spencer. mona failed and ended up killing herself.
Actually, Mona tries to kill Spencer, by pushing her off a cliff, but Spencer moves out of the way, and Mona falls and dies.
Mona tried to push Spencer off the cliff but Spencer ended up pushing mona off, and Mona died.
mona dies beause she asked Spencer to become a. with her and Spencer said no and then they are on a cliff and Spencer and her a struggling of the cliff and Spencer pushes mona off the cliff
Because she tried to kill spencer
Spencer didn't push mona off the cliff mona was fighting with spencer so that she could push spencer off the cliff but when they were fighting Mona triped and fell.
Because Spencer put together all the clues that Mona had accidentaly given to the girls.
Her and Spencer get in a fight and she falls off a cliff
in the books, mona tries to kill Spencer by pushing her off a cliff, Spencer moves out of the way and mona falls instead.
Ian isn't A, Courtney who is Alison's twin was murdered by Alison ..Mona is -A but after Mona dies and tries to kill Spencer ; Ali becomes -A to mess with the Pretty Little Liars.
No, Mona wasn't the killer in Pretty Little Liars
die? she fell off a cliff while she was chasing spencer. Mona tried to kill Spencer but slipped and fell
Mona actually IS A, the first one anyway, before she gets killed by Spencer.